Part I to III of article in Bengali on open source software and freeware

1. Bf¢e ¢L ö−e−Re OpenOffice.org Hl Lb¡z Microsoft Office Hl
−k ¢eMlQ¡u Ha i¡−m¡ ¢hLÒf q−a f¡−l, e¡ hÉhq¡l Ll−m −h¡T¡C k¡−h e¡z
MS Office −k pjÙ¹ L¡S Ha¢ce d−l L−l −l−M−Re −pC L¡−Sl g¡Cm…−m¡J
Ae¡u¡−p HM¡−e hÉhq¡l Ll−a f¡l−hez i¡la plL¡−ll ¢h¢iæ fË¢aù¡e pq
fª¢bh£l A−eL −c−nC HMe MS Office hc−m −Lhmj¡œ
OpenOffice.org Hl Lclz C¾V¡l−eV hË¡ES¡l ¢qp¡−h Mozilla
Firefox A−eL−hn£ Se¢fËu Internet Explorer Hl −Q−uz
Photoshop hc−m A−e−Ll p¡−b B¢jJ Gimp H j−S B¢Rz k¡l¡
AÉ¡¢e−jn¡−e Evp¡q£ a¡−cl−L hm−h¡ Blender Hl p¡−b f¢lQu Ll−az öl¦−a
HLV¥ Ap¤¤¢hd¡ q−h C¾V¡l−gpV¡ HLV¥ AeÉlL−jl h−m a−h Bfe¡−L p¡q¡kÉ Ll¡l
SeÉ B−u¡Se HaV¡C −k Bf¢e A¢Q−lC Blender H f¡lcnÑ£ q−u −S−a
f¡−lez Blender H °al£ L−uLV¡ L¡−Sl ej¤e¡ −cM¡l HLV¡ ¢mwL f¡−he HC
f¡a¡uz ¢e−SC flM L−l −cM¤ez
OpenOffice.org z Mozilla Firefox z Gimp z Blender
H…−m¡ q−µR J−fe −p¡pÑ pgVÚAuÉ¡lÚz HlLj A−eL B−Rz ¢eMlQ¡u H−N¡−m¡
Bf¢e hÉhq¡l Ll−a f¡−lez MS Office, Photoshop, Coreldraw
HC pjÙ¹ −fË¡fË¡CV¡¢l pgVÚAuÉ¡lÚ −Le¡l j−a¡ fup¡ MlQ HM¡−e Bfe¡−L Ll−a
q−h e¡z H…−m¡l …ej¡e M¤hC Eæaz Ef−k¡¢Na¡J Bp¡d¡lez Bfe¡l cra¡
b¡L−m J−fe −p¡pÑ pgVÚAuÉ¡lÚ…−m¡−L ¢e−Sl j−a¡ L−l f¢lhaÑe, f¢lj¡SÑe h¡
f¢lhÜÑe L−l hÉhq¡l h¡ ¢hale Ll−a f¡−lez Q¡C−m f¢l−oh¡J ¢c−a f¡l−hez
Hlf−l H ¢ho−u ¢hÙ¹¡¢la B−m¡Qe¡ Ll¡ k¡−hz HMe M¡¢m HLV¡ Lb¡C Bjl¡
hm−h¡ Q¥¢l Ll¡ pgVÚAuÉ¡−ll L£ clL¡l ?

2. J−fe −p¡pÑ pgVÚAuÉ¡−ll pÇf−LÑ B−l¡ B−m¡Qe¡ Ll¡l B−N LaL…¢m ¢hou
h¤−T −eJu¡ M¤hC clL¡lz A−e−LC J−fe −p¡pÑ pgVÚAuÉ¡lÚ Bl é£AuÉ¡lÚ−L HLC
¢S¢eo −i−h i¥m L−l b¡−Lez
J−fe −p¡−pÑl fËbj Lb¡C qm Hl −p¡pÑ −L¡XÚ Bj¡−cl fs¡l h¡ L¡−Sl SeÉ
EeÈ¥š²z −p¡pÑ −L¡XÚ qm - Bjl¡ fs−a f¡l−h¡ HC lLj Arl h¡ ¢Q−q² HL¢V
¢e¢cÑø ¢heÉ¡−p −fË¡NË¡¢jw Hl i¡o¡u k¤¢š² J ¢e−cÑn ¢c−u °al£ −mM¡z LÇf¡Cm¡l
h−m HL¢V −fË¡NË¡j ¢c−u H¢V h¡e¡−e¡ qu J LÇf¡Cm¡l Bh¡l −p¢V−L −j¢n−e
fs−a f¡l−h HlLj i¡−oÉ f¡−ÒV −cuz aMe −pV¡ Bl Bj¡−cl fs¡l j−a¡
AhÙÛ¡u b¡−L e¡z
HLC lLj i¡−h −k pgVÚAuÉ¡−ll −p¡pÑ −L¡XÚ Bj¡−cl fs¡l SeÉ EeÈ¥š² eu
−p…¢m−L h−m −LÓ¡SXÚ−p¡pÑz
J−fe −p¡pÑ q−mC −k ¢eMlQ¡u f¡Ju¡ k¡−h h¡ −LÓ¡SXÚ−p¡pÑ q−m a¡l SeÉ fup¡
m¡N−hC HlLjV¡ ¢L¿¹¥ euz
Avira AntiVir Personal, avast! Home Edition, AVG Anti-
Virua Free Edition M¤hC Se¢fËu J L¡−Sl HC pjÙ¹ AÉ¡¢¾V-i¡Cl¡p
pgVÚAuÉ¡lÚ …−m¡ hÉ¢š²Na hÉhq¡−ll SeÉ ¢he¡ fup¡−aC f¡Ju¡ k¡uz H…¢m
é£AuÉ¡l q−mJ −LÓ¡SXÚ−p¡pÑz
k¢cJ Bj¡−cl B−m¡Qe¡ j§ma ¢he¡ fup¡u fË¡çhÉ J−fe −p¡pÑ pgVÚAuÉ¡lÚ ¢e−u,
−k…¢m−L hm¡ qu free open source software h¡ FOSS, a−h ¢LR¥
Ap¡d¡lZ é£AuÉ¡−ll Lb¡J B−m¡Qe¡−a b¡L−hz b¡L−h ¢lQ¡XÑ ØVmjÉ¡−el Lb¡z
J−fe −p¡pÑ ¢e−u Lb¡ q−h Bl ¢lQ¡XÑ ØVmjÉ¡−el e¡j Bp−h e¡, HV¡ LMeC q−h
e¡z E¢eC −k HC k−‘l j§m −q¡a¡, J−fe −p¡pÑ B−¾c¡m−el f¢bL«vz

3. Hh¡l HLV¥ ¢e−Sl fR−¾cl Lb¡u Bp¡ k¡Lz J−uhÚ−fSÚ h¡e¡−a −k
pgVÚAuÉ¡lÚ…−m¡ Bj¡−L M¤h p¡q¡kÉ L−l a¡lj−dÉ B−R PDF Creator z fË¡u
ph dl−el g¡Cm−LC ¢f˾V Afn−e ¢N−u PDF gjÑ¡−V l¦f¡¿¹l Ll−a ( Bpm
g¡Cm−L −kje ¢Rm −ajeC −l−M ) H¢V A¢àa£uz Bl öd¤ PDF eu, Q¡C−m
PNG, JPEG, BMP, PCX, TIFF, PS, EPS, PSD, PCL h¡ RAW
gjÑ¡VJ −f−a f¡−lez
g−V¡ H¢X¢Vw Hl SeÉ Gimp Bl Picasa c¤−V¡lC Ap¡j¡eÉ ph fË−u¡N B−Rz
R¢h k¡l¡ i¡−m¡h¡−pe, a¡−cl−L hm−h¡ HC c¤−V¡l hÉhq¡l HLV¥ M¤¢V−u −cM−az
H−cl …e¡hm£ Bfe¡−L QjL«a Ll−hCz J−uh−f−Sl L¡−SJ Gimp Hl p¤¤¾cl
ph hÉhÙÛ¡ B−Rz hm¡ h¡ýmÉ, PDF Creator Hl p¡−b Gimp Bl Picasa
Bj¡l hÔ−Nl SeÉ i£oeC clL¡l£z
¢œj¡¢œL Aˆe h¡ j−X¢mw Hl SeÉJ −k ¢eMlQ¡u c¡l¦e g¡V¡g¡¢V HLV¡
pgVÚAuÉ¡lÚ f¡Ju¡ −k−a f¡−l −pV¡ Google SketchUp 7 e¡ −cM−m ¢hnÄ¡p
Ll¡C nš²z

4. k¢cJ SketchUp J−fe −p¡pÑ eu, a−h Ruby API (Ruby
application programming interface) hÉhq¡l L−l H¢V−L H−Lh¡−l
¢e−Sl j−a¡ L−l N−s −eJu¡ k¡−hz Ruby Scripts ¢c−u fR¾c J
fË−u¡Sej−a¡ tools, pluggins h¡e¡−e¡ J SketchUp −L B−l¡ i¡−m¡ J
p¤¤¢hd¡SeL L−l a¥m−aJ f¡l−hez Google 3D Waewhouse H Bfe¡l
SeÉ −k L£ L£ l¡M¡ B−R −pV¡ AhnÉC ¢e−Sl −Q¡−M −c−M ¢e−a q−hz Bl B−R
M¤h AÒf pj−ul j−dÉC Bfe¡−L Øj¡VÑ e¡ð¡l Ju¡e L−l −a¡m¡l SeÉ
community Bl video tutorialsz SketchUp h¡ Bf¢e, −LE k¢c
HL¢ce AutoCaD −L QÉ¡−m‘ S¡e¡e, B¢j −a¡ H−Lh¡−lC Ah¡L q−h¡ e¡z